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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 214 · 40 questions
TalentJR

Remember (One chip, one job): Microcontroller = processor + memory + input/output pins on one chip. Board parts: USB port (power and code), pins, reset button, power LED, main chip, voltage regulator. Write the program → upload over USB → it runs its loop for ever; power by USB or a small battery.

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  1. 1.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  2. 2.Which of these usually has a microcontroller inside? (a) a candle (b) a bicycle bell (c) a toy robot (d) a wind-up toy
  3. 3.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  4. 4.Which of these has no microcontroller inside? (a) a hand pump (b) a TV remote (c) a toy robot (d) a washing machine
  5. 5.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) drawn with a pen (c) sent by sound (d) uploaded over USB
  6. 6.🧭 Which part of a microcontroller board runs the program? (a) the reset button (b) the USB port (c) the main chip (d) the voltage regulator
  7. 7.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  8. 8.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  9. 9.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the voltage regulator (b) the reset button (c) the main chip (d) the pins
  10. 10.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  11. 11.🤖 What is a microcontroller? (a) a computer on one chip (b) a type of battery (c) a kind of bulb (d) a big desktop computer
  12. 12.Which job is done by the USB port? (a) brings power and code (b) shows the board is on (c) keeps the voltage steady (d) runs the program
  13. 13.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the reset button (c) the USB port (d) the voltage regulator
  14. 14.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  15. 15.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  16. 16.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a wind-up toy (c) a hand pump (d) a digital alarm clock
  17. 17.True or false: a microcontroller has no screen of its own. (a) True (b) False
  18. 18.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a bicycle bell (c) a TV remote (d) a toy robot
  19. 19.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  20. 20.🧭 Which part of a microcontroller board brings power and code? (a) the power LED (b) the reset button (c) the USB port (d) the voltage regulator
  21. 21.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  22. 22.True or false: a laptop has no screen of its own. (a) False (b) True
  23. 23.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the power LED (c) the reset button (d) the voltage regulator
  24. 24.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  25. 25.Which job is done by the voltage regulator? (a) restarts the program (b) keeps the voltage steady (c) connect sensors and LEDs (d) brings power and code
  26. 26.Which job is done by the pins? (a) connect sensors and LEDs (b) keeps the voltage steady (c) restarts the program (d) shows the board is on
  27. 27.Which job is done by the power LED? (a) restarts the program (b) shows the board is on (c) brings power and code (d) connect sensors and LEDs
  28. 28.True or false: a laptop has a built-in keyboard. (a) True (b) False
  29. 29.True or false: a microcontroller runs many apps at once. (a) True (b) False
  30. 30.True or false: a laptop needs much more power. (a) True (b) False
  31. 31.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the main chip (b) the power LED (c) the pins (d) the voltage regulator
  32. 32.True or false: a TV remote has no microcontroller inside. (a) False (b) True
  33. 33.True or false: a microcontroller runs one small program. (a) True (b) False
  34. 34.True or false: a spinning top has no microcontroller inside. (a) True (b) False
  35. 35.Which of these has no microcontroller inside? (a) a smart watch (b) a microwave oven (c) a candle (d) a TV remote
  36. 36.True or false: a candle has no microcontroller inside. (a) True (b) False
  37. 37.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  38. 38.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) a 230 V cable (c) bare mains wires (d) USB or a 9 V battery
  39. 39.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  40. 40.Which of these usually has a microcontroller inside? (a) a candle (b) a spinning top (c) a bicycle bell (d) a TV remote

Answer key

  1. True
  2. a toy robot
  3. Yes
  4. a hand pump
  5. uploaded over USB
  6. the main chip
  7. microcontroller
  8. No
  9. the voltage regulator
  10. Yes
  11. a computer on one chip
  12. brings power and code
  13. the reset button
  14. laptop
  15. No
  16. a digital alarm clock
  17. True
  18. a bicycle bell
  19. No
  20. the USB port
  21. Yes
  22. False
  23. the power LED
  24. False
  25. keeps the voltage steady
  26. connect sensors and LEDs
  27. shows the board is on
  28. True
  29. False
  30. True
  31. the pins
  32. False
  33. True
  34. True
  35. a candle
  36. True
  37. True
  38. USB or a 9 V battery
  39. Yes
  40. a TV remote

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